February

2015

 * February 20, 2015 - Vampiku is introduced.

2012

 * February 11, 2012 - Hasegawa Chikai is introduced
 * February 29, 2012 - Sakura Mizuki is introduced

2010

 * February 02, 2010 - Shiteyan'yo is introduced
 * February 08, 2010 - Kaseyu, introduction date (assumed)
 * February 08, 2010 - Kurau, introduction date (assumed)
 * February 08, 2010 - Maruku, introduction date (assumed)
 * February 08, 2010 - Tanuson and Debuson, introduction date (assumed)
 * February 09, 2010 - Hagane Luka is introduced

2009

 * February 14, 2009 - Hagane Len is introduced
 * February 23, 2009 - Spicy Andy is introduced

2008

 * February 15, 2008 - Juon Kiku is introduced

Misc

 * February 08, 0000 - Birthdate of Rena Tetsune
 * February 14, 1991 - Birthdate of Yuwaku Koe
 * February 16, 1998 - Birthdate of Sato Koe
 * February 20, 2014 - Birthdate of Kaj Llingvam
 * February 23, 1989 - Birthdate of Spicy Andy